Intimate Britney Spears will go on sale in Europe next month.
Singer will join the company in July, reporting to Sara Blakely.
The four friends promoted their win outside Debenhams, Oxford Street.
Five start-ups could shape the retailer's shopping experience.
Clancy reportedly became embroiled in a dispute with Michelle Mone.
Students at Loughborough College will feedback to the R&D department.